Patents by Inventor Clifton J. Isaacs

Clifton J. Isaacs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Knife sled cultivator with weeder bar
    Patent number: 4206814
    Abstract: A farm implement having a main frame; at least two carriage wheels for supporting the frame; a plurality of brackets mounted in pairs on the frame, each pair of brackets defining a sled; a plurality of knives mounted on each sled in a generally horizontal plane; a weeder bar rotatably supported by the brackets; and a hydraulic motor mounted on the frame for driving the weeder bar in a counter clockwise direction as the implement is moved in a direction whereby the carriage wheels rotate in a clockwise direction.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: June 10, 1980
    Inventor: Clifton J. Isaacs